SNN vs. ^GSPC

Last updated Apr 1, 2026

Compare and contrast key facts about Smith & Nephew plc (SNN) and S&P 500 Index (^GSPC).

Performance

SNN vs. ^GSPC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Smith & Nephew plc (SNN) and S&P 500 Index (^GSPC). The values are adjusted to include any dividend payments, if applicable.

SNN vs. ^GSPC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SNN Smith & Nephew plc	-1.67%	36.82%	-7.34%	4.44%	-20.20%	-16.21%	-10.40%	30.84%	8.90%	18.57%
^GSPC S&P 500 Index	-4.63%	16.39%	23.31%	24.23%	-19.44%	26.89%	16.26%	28.88%	-6.24%	19.42%

Returns By Period

In the year-to-date period, SNN achieves a -1.67% return, which is significantly higher than ^GSPC's -4.63% return. Over the past 10 years, SNN has underperformed ^GSPC with an annualized return of 1.85%, while ^GSPC has yielded a comparatively higher 12.16% annualized return.

SNN

• 1D: 0.60%
• 1M: -12.57%
• YTD: -1.67%
• 6M: -10.36%
• 1Y: 14.66%
• 3Y*: 7.24%
• 5Y*: -0.79%
• 10Y*: 1.85%

^GSPC

• 1D: 2.91%
• 1M: -5.09%
• YTD: -4.63%
• 6M: -2.39%
• 1Y: 16.33%
• 3Y*: 16.69%
• 5Y*: 10.18%
• 10Y*: 12.16%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

SNN vs. ^GSPC — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SNN

SNN Risk / Return Rank: 58
SNN Sharpe Ratio Rank: 60
SNN Sortino Ratio Rank: 54
SNN Omega Ratio Rank: 55
SNN Calmar Ratio Rank: 63
SNN Martin Ratio Rank: 59

^GSPC

^GSPC Risk / Return Rank: 74
^GSPC Sharpe Ratio Rank: 69
^GSPC Sortino Ratio Rank: 68
^GSPC Omega Ratio Rank: 76
^GSPC Calmar Ratio Rank: 73
^GSPC Martin Ratio Rank: 85

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

SNN vs. ^GSPC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Smith & Nephew plc (SNN) and S&P 500 Index (^GSPC). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	SNN	^GSPC	Difference
Sharpe ratio Return per unit of total volatility	0.50	0.90	-0.40
Sortino ratio Return per unit of downside risk	0.91	1.39	-0.47
Omega ratio Gain probability vs. loss probability	1.13	1.21	-0.08
Calmar ratio Return relative to maximum drawdown	0.95	1.40	-0.45
Martin ratio Return relative to average drawdown	1.82	6.61	-4.79
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SNN vs. ^GSPC - Sharpe Ratio Comparison

The current SNN Sharpe Ratio is 0.50, which is lower than the ^GSPC Sharpe Ratio of 0.90. The chart below compares the historical Sharpe Ratios of SNN and ^GSPC, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	SNN	^GSPC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.50	0.90	-0.40
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.03	0.61	-0.64
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.07	0.68	-0.61
Sharpe Ratio (All Time) Calculated using the full available price history	0.29	0.46	-0.17

Correlation

The correlation between SNN and ^GSPC is 0.42, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Drawdowns

SNN vs. ^GSPC - Drawdown Comparison

The maximum SNN drawdown since its inception was -55.20%, roughly equal to the maximum ^GSPC drawdown of -56.78%. Use the drawdown chart below to compare losses from any high point for SNN and ^GSPC.

Drawdown Indicators

	SNN	^GSPC	Difference
Max Drawdown Largest peak-to-trough decline	-55.20%	-56.78%	+1.58%
Max Drawdown (1Y) Largest decline over 1 year	-16.89%	-12.14%	-4.75%
Max Drawdown (5Y) Largest decline over 5 years	-49.18%	-25.43%	-23.75%
Max Drawdown (10Y) Largest decline over 10 years	-55.06%	-33.92%	-21.14%
Current Drawdown Current decline from peak	-27.40%	-6.45%	-20.95%
Average Drawdown Average peak-to-trough decline	-17.57%	-10.75%	-6.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.78%	2.57%	+6.21%

Volatility

SNN vs. ^GSPC - Volatility Comparison

Smith & Nephew plc (SNN) has a higher volatility of 6.86% compared to S&P 500 Index (^GSPC) at 5.34%. This indicates that SNN's price experiences larger fluctuations and is considered to be riskier than ^GSPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SNN	^GSPC	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.86%	5.34%	+1.52%
Volatility (6M) Calculated over the trailing 6-month period	19.81%	9.54%	+10.27%
Volatility (1Y) Calculated over the trailing 1-year period	29.61%	18.33%	+11.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.88%	16.91%	+9.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.74%	18.05%	+8.69%